body {
    font-family: "Microsoft YaHei UI",sans-serif;
}
.navbar {
    height: 56px;
    margin: 0px;
    background-color: rgba(255, 255, 255, 0.25);
    border: none;
}
.navbar .container-fluid {
    padding: 0;
    height: 56px;
    line-height: 56px;
}
.navbar .container-fluid a {
    color: #000;
}
.navbar a.btn.btn-collect {
    color: #e63f02;
    border-color: #e63f02;
    border-radius: 25px;
    /* 然后再调整一下字体大小啥的。 */
}

html, body {
    height: 100%;
}
.login.container-fluid {
    padding: 150px 30px;
    height: 100%;
    background: url("../images/login_bg_bottom.png") no-repeat bottom;
}

.input-group {
    margin-left: -35px;
}
.input-group .input-group-addon {
    background: none;
    border: none;
    border-radius: 0;
    position: relative;
    left: 40px;
    z-index: 10;
}
.input-group input {
    padding: 10px 0 10px 40px;
    height: 70px;
    /* 这里字体、高度等等再调整一下*/
    border: none;
    border-bottom: gray solid 2px;
    border-radius: 0;
}
.input-group input:focus {
    border-bottom: black solid 2px;
}